summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7/omap3/am35x_musb.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7/omap3/am35x_musb.c')
-rw-r--r--arch/arm/cpu/armv7/omap3/am35x_musb.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/arm/cpu/armv7/omap3/am35x_musb.c b/arch/arm/cpu/armv7/omap3/am35x_musb.c
deleted file mode 100644
index 74dd105eb6..0000000000
--- a/arch/arm/cpu/armv7/omap3/am35x_musb.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * This file configures the internal USB PHY in AM35X.
- *
- * Copyright (C) 2012 Ilya Yanok <ilya.yanok@gmail.com>
- *
- * Based on omap_phy_internal.c code from Linux by
- * Hema HK <hemahk@ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/am35x_def.h>
-
-void am35x_musb_reset(void)
-{
- /* Reset the musb interface */
- clrsetbits_le32(&am35x_scm_general_regs->ip_sw_reset,
- 0, USBOTGSS_SW_RST);
- clrsetbits_le32(&am35x_scm_general_regs->ip_sw_reset,
- USBOTGSS_SW_RST, 0);
-}
-
-void am35x_musb_phy_power(u8 on)
-{
- unsigned long start = get_timer(0);
-
- if (on) {
- /*
- * Start the on-chip PHY and its PLL.
- */
- clrsetbits_le32(&am35x_scm_general_regs->devconf2,
- CONF2_RESET | CONF2_PHYPWRDN | CONF2_OTGPWRDN,
- CONF2_PHY_PLLON);
-
- debug("Waiting for PHY clock good...\n");
- while (!(readl(&am35x_scm_general_regs->devconf2)
- & CONF2_PHYCLKGD)) {
-
- if (get_timer(start) > CONFIG_SYS_HZ / 10) {
- printf("musb PHY clock good timed out\n");
- break;
- }
- }
- } else {
- /*
- * Power down the on-chip PHY.
- */
- clrsetbits_le32(&am35x_scm_general_regs->devconf2,
- CONF2_PHY_PLLON,
- CONF2_PHYPWRDN | CONF2_OTGPWRDN);
- }
-}
-
-void am35x_musb_clear_irq(void)
-{
- clrsetbits_le32(&am35x_scm_general_regs->lvl_intr_clr,
- 0, USBOTGSS_INT_CLR);
- readl(&am35x_scm_general_regs->lvl_intr_clr);
-}